In 1878, "film" as we know it did not exist. Instead, photographers used , a method of capturing sequential still images to study movement.
: Eadweard Muybridge used a battery of 12 to 24 cameras with tripwires to capture animals and humans in motion. Sexy Girl (1878) mp4
The title appears to be a modern misnomer or a clickbait title for a specific sequence from Eadweard Muybridge’s pioneering photographic studies. While no film of that exact name exists in the historical record, it likely refers to one of Muybridge's chronophotographic experiments from his 1878-1887 series, Animal Locomotion . Historical Context of 1878 "Films" In 1878, "film" as we know it did not exist